Demo

Information System Security Officer

PLEXSYS and Careers
Oklahoma, OK Full Time
POSTED ON 3/24/2026
AVAILABLE BEFORE 5/23/2026

At PLEXSYS, our teams design, build and deliver Live, Virtual, and Constructive (LVC) innovation and training solutions to customers around the world. With over 200 employees in seventeen states and four foreign countries, we contribute our success to enabling better training…everyday…across the globe.


As an employee of PLEXSYS, you’ll find a culture that empowers you to achieve your professional objectives, give your personal best, and work with other highly passionate individuals. Our core values of integrity, excellence, teamwork and agility drive our daily decisions, identify our focus areas, and inspire our organizational culture.


GENERAL DESCRIPTION

The Information System Security Officer (ISSO) will provide cybersecurity support to the Control and Reporting Center Next Generation Training (CRC NGT) System and the Airborne Warning and Control Systems (AWACS) trainer.

The ISSO is responsible for ensuring the appropriate operational security posture for information systems and must have detailed knowledge and expertise required to manage the security aspects of an information system. Responsibilities include implementation of the requirements of the Joint Special Access Program (SAP) Implementation Guide (JSIG), Risk Management Framework (RMF), and other security requirements as assigned. Duties also include physical and environmental protection, personnel security, and incident handling. Coordinate and synchronize security policy guidance with PLEXSYS Facility Security Officer and Information System Security Manager (ISSM) and work in close collaboration with Partner/Government ISSO/ISSM.


Duties & Responsibilities

  • Execute on-site information system security program to include implementation and validation of automated informational security, ensuring security requirements are satisfied for training systems
  • Establish and implement security procedures and practices in support of Corporate goals and current DoD Regulations
  • Develop, implement and maintain security emergency action plans
  • Provide security education and training to local employees
  • Maintain administrative security records and documents for local employees
  • Conduct self-inspections to ensure current security measures and policies are effective
  • Conduct random security inspections to ensure regulations and procedures are being adhered to by local employees
  • Assist in the development and updating of required Authority to Operate (ATO) artifacts
  • Conduct system audits in accordance with System Security Plan requirements
  • May be required to conduct maintenance on the networks, systems, and hardware
  • May be required to assist in software upgrades on networks, systems, and hardware
  • Understand and follow NISPOM/ODAA/RMF/ICD/NIST/JSIG classified system accreditation and certification requirements
  • Other duties as assigned

REQUIREMENTS

  • Bachelor’s degree in related field or 2 years’ experience in related field
  • Extensive Training or experience with Windows based Information Systems standards with a working knowledge of Linux operating systems
  • Specialized computer training in networking and active directory
  • Experience with security audits for information systems
  • Strong communication and problem-solving skill
  • Ability to work in both a Team environment as well as independently
  • Must be organized and detail orientated
  • Current DoD 8140 IAT Level II and IAM Level I or higher certification (i.e. Security or equivalent certification)

Desirable

  • Experience with DoD Security Regulations and Policies
  • Experience with Type 1 and/or Type 2 virtualization platforms
  • Experience managing system security in an enterprise environment
  • Strong system documentation skills
  • Experience with Trellix ePO (HBSS), Splunk, and Tenable Security Center/Nessus (ACAS)

AUTHORITY

  • Must have or be able to obtain and maintain a Top-Secret clearance with approval for SAP and SCI access

PERKS

As a PLEXSYS employee, you can expect certain advantages; such as advancement based on performance, competitive wages, valuable benefits and a great working environment. Our team is committed to ensuring an environment that empowers individuals to realize their full potential by providing opportunities and necessary support to achieve personal and professional goals.

  • Medical/Vision/Prescription/Dental Benefits
  • Life, AD&D and Long Term Disability Coverage
  • Paid Holidays, Military Leave, and Paid Time Off
  • 401k Plan with eligibility from first day of employment
  • Education reimbursement for job-related courses for full-time employees
  • PriceClub/COSTCO/Sam's Club annual membership

Salary : $80,000 - $99,500

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